Shade-holder for electric lamps.



No. 648,493. Patented Ban. 2, 1900.

E. A. IRUSSIELL &. H. SEBRELL.

SHADE HOLDER IFOR ELECTRIC LAMPS.

(Application filed on. 28, 1898.; (No Model.) 2 Sheets-Sheet 1,

No. 6%,493. Patented Jan. 2, I900.

E. A. RUS$ELL & H. SERRELL.

SHAH E HOLDER FOR ELECTRIC LAMPS.

(Application filed Oct. 28, 1898.)

(No Model.) 2 Sheets'-Sheet 2.

TME nonms PETERS c0, PnoTuuma. WASHINGTON, o c.

lhvrrnn drains Farrier J1 rrcn.

EDGAR A. RUSSELL, OF lVALLlNGFORD, CONNECTICUT, AND HAROLD SER- REEL, OFllliAlNFlEliD, NElV JERSEY, ASSIGNORS TO SAID RUSSELL.

El-lADE-HOILDER FOR ELECTRIC LAMPS.

SPECIFICATION forming part of Letters Patent No. 640,493, dated January2, 1900.

Application filed October 28, 1898. Serial No. 694,825. 'No model.

To all whom. it may concern:

Be it known that we, EDGAR A. RUSSELL, residing at Wallingford, in thecounty of New Haven and State of Connecticut, and HAROLD SERRELL,residing at Plainfield, in the county of Union and State of New Jersey,citizens of the United States, have invented a new and usefulImprovement in Shade-Holders for Electric Lamps, of which the followingis a lo specification.

Our invention relates loa shade-holder for the fixtures of incandescentelectric lamps, the same being stamped up in one piece from sheet metaland of such form that the concentric relations of the fixtu re, theshade, and the lamp are closely maintained notwithstanding thevariations in the sizes of the lampsockets, thereby enhancing the goodappearance of the parts.

In carrying out our invention the shade holding ring is formed with anintegral radial arm, and the clampingband is preferably made integralwith the radial arm and has approximately two equal parts, the free endsof which are bent outward into nearly parallel planes to receive aclamping device, the same being by preference perforated for the usualclamping-screw. The shade-holding ring is also made with a tang-plateextending inward from the said ring adjacent to the free ends of theclamping-band, and this tang-plate is adapted to engage grooves or waysat or adjacent to the free ends of the clamping-band, so that in themovement of the free ends the same slide over the tang-plate, the tang-plate at the same time securely retaining the free ends of theclamping-band in their position to the shade-holding ring, so that theshade is firmly supported from the band.

In the drawings, Figure 1 is a plan, and Fig. 2 a cross-section, of ashade-holder made according to our invention and of simple form. Fig. 3is a plan, Fig. 4 a cross-section, and Fig. 5 an elevation in place uponthe lamp socket, of a shade-holder of the most approved form. Fig. 6 isa plan, and Fig. 7 a

cross-section and partial elevation, showing one form of our invention.

The shade-holding ring a is preferably of the well-lcnown flanged form,with several lugs 2 for the usual holdingscrews 3. The

shade-holding ring a is provided with an integral radial arm Z), and aclamping-band c is preferably made integral with the radial arm I) andin approximately two equal parts-that 5 5 is, the length of one partfrom the radial arm is approximately equal to the length of the otherpart from the radial ar1n-and the free ends of the clamping-band carebent outwad at i 5 into approximately parallel planes and are providedwith a clamping device to draw and hold the free ends together. Thisclamping device is preferably a screw 8, which passes freely through aperforation in one f rec end into a threaded opening in the other freeend.

\Ve provide an integral tang-plate d, formed with the shade holdingring. In the simple form of device shown in Figs. 1 and 2 thistang-plate is bent upward and inward from the shade-holding ring andprovided with a curved edge, and the free ends of the clamping-band arenotched to receive this plate, and as the free ends are caused to expandor contract they move over the curved edge of the tang-plate and are notsupposed to leave contact with the plate.

In the preferable form shown in Figs. 3,4, and 5 the tang-plate d is notraised above the surface of the shade-holding ring, butis paralleltherewith and extends inwardly with a curved edge;

The clamping-band c is made with ears 6 e, that are integral with theclamping-band and extend forward from the lower edge of theclamping-band into a plane at about right angles to said band. The freeends of the band 0, that receive the clamping device, preferably thescrew 8, are slightly less in depth than the clamping-ring, so thatbetween their under edges and the upper surface of the ears 6 6 thereare formed grooves or ways to receive the tang-plate cl, and as the freeends of this clamping-band c are ex panded or contracted they move overthe tang-plate d, which forms a support above and beneath the ends ofthe said clampingband to support the shade-holding ring at a pointopposite to the integral radial arm 1).

To insure the clamping-band being concen- IOO tric to the shade-holdingring and prevent one part of the clamping-band being bent more than theother part, we prefer to raise a small projection or rib 1' upon thesurface of the tang-plate between the parallel free ends of theclamping-band, so that when the same are drawn toward one another by theclamping device neither side can pass the projection or rib.

In the form shown in Figs. 6 and 7 the clamping-band c is elevated at anappreciable distance above the plane of the shade-holding ring, and theears e e at the free ends of the clamping-band are connected to the bandby the inclined arms f f, the parts being integral. These ears e e haveoverlapping fingers 9 stamped upward therefrom, and the tang-plate d atits edge extends over the ears and beneath the fingers, the constructionof the parts and their operation being the equiva lent of the otherforms described and shown.

All the parts of our improved shade-holder, except the clamping deviceand the screws 3, are preferably stamped up from one piece of sheetmetal and are integral with one another. We thus efiect great economy inthe manufacture of the shade-holder both in material and in time andalso make a strong and inexpensive device.

We claim as our invention- 1. Aholder for the shade of an electric lampcomprising a shade-holding ring, a radial arm extendinginward therefrom,a clam pin gband connected with said arm and having two free endsadapted to receive a clamping device and provided with transversegrooves or ways and a tang-plate extending inward from the shade-holding ring and entering the transverse grooves or ways, substantially as setforth.

2. A holder for the shade of an electric lamp comprising a shade-holdingring, a radial arm extending inward therefrom,a clampin g-bandconnnected with said arm and having two free ends adapted to receive aclam ping device and provided with transverse grooves or Ways, and atang-plate extending inward from the shadeholding ring and entering thetransverse grooves or ways, the said parts being integral and stampedupin one piece from sheet metal, substantially as set forth.

3. A holder for the shade of an electric lamp, comprising ashade-holding ring, a radial arm extendinginward therefrom,aclamping-band connected with said arm and having two free ends adaptedto receive a clamping.

screw, and ears turned outward from the under edge of the clamping-bandat the free ends and a tang-plate extending inward from theshade-holding ring and extending over the said ears and beneath the freeends of the clamping-band as a guide and support, substantially as setforth.

4. A holder for the shade of an electric lamp, comprising ashade-holding-ring, a radial arm extending inward therefrom ,aclamping-band connected with said arm and having two free ends adaptedto receive a clampingscrew, and ears turned outward from the under edgeof the clamping-band atthe free ends, and a tang-plate extending inwardfrom the shade-holding ring over the said ears and be neath the freeends of the clamping-band as aguide and support, the said parts beingintegral and stamped up in one piece from sheet metal, substantially asset forth.

5. A holder for the shade of an electric lamp, comprising ashade-holding ring, a radial arm extending inward therefrom aclampingband connected with said arm and having two free ends adapted toreceive aclampingscrew, and ears turned outward from the under edge ofthe clam ping-band at the free ends, and a tang-plate extending inwardfrom the shade-holding ring and extending over the said ears and beneaththe free ends of the clamping-band as a guide and support, and aprojection or rib 2' raised in the surface of the tang-plate,substantially as set forth.

6. A holder for the shade of an electric lamp, comprising ashade-holding ring, a radial arm extending inward therefrom,aclamping-band connected with said arm and having two free ends adaptedto receive a clamping device,said free ends having portions betweenwhich are transverse grooves or ways, and an imperforate tang plateextending inward from the shade-holding ring at a point opposite to theradial arm and entering the said grooves or ways, substantially as setforth.

Signed by us this 25th day of October, 1898.

EDGAR A. RUSSELL. HAROLD SERRELL.

Witnesses as to the signature of E. A. Russell:

S. T. HAVILAND, E. E. PoHLn.

Witnesses as to the signature of Harold Serrell:

. Gno. '1. PINCKNEY,

S. T. HAVILAND.

